i9-14900KS vs Atom x5-Z8550

Primary details

Comparing Atom x5-Z8550 and Core i9-14900KS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2685	69
Place by popularity	not in top-100	8
Market segment	Laptop	Desktop processor
Series	5x Intel Atom	no data
Power efficiency	no data	24.78
Architecture codename	Cherry Trail (2015−2016)	Raptor Lake-R (2023−2024)
Release date	8 February 2016 (8 years ago)	March 2024 (recently)
Launch price (MSRP)	no data	$689

Detailed specifications

Atom x5-Z8550 and Core i9-14900KS basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	4 (Quad-Core)	24 (Tetracosa-Core)
Threads	4	32
Base clock speed	1.44 GHz	3.2 GHz
Boost clock speed	2.4 GHz	5.9 GHz
L1 cache	no data	80 KB (per core)
L2 cache	2 MB	2 MB (per core)
L3 cache	0 KB	36 MB (shared)
Chip lithography	14 nm	Intel 7 nm
Die size	no data	257 mm2
Maximum core temperature	90 °C	100 °C
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	-	+

Compatibility

Information on Atom x5-Z8550 and Core i9-14900KS compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1 (Uniprocessor)	1
Socket	UTFCBGA1380	FCLGA1700
Power consumption (TDP)	no data	150 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom x5-Z8550 and Core i9-14900KS. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	no data	+
TSX	-	+
Idle States	no data	+
Thermal Monitoring	-	+
Turbo Boost Max 3.0	-	+
Deep Learning Boost	-	+

Security technologies

Atom x5-Z8550 and Core i9-14900KS technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+
Secure Boot	+	no data
Secure Key	no data	+
Identity Protection	+	-
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Atom x5-Z8550 and Core i9-14900KS are enumerated here.

VT-d	no data	+
VT-x	+	+
EPT	no data	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom x5-Z8550 and Core i9-14900KS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5-5600, DDR4-3200
Maximum memory size	8 GB	192 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	89.6 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics 400 (Braswell)	Intel UHD Graphics 770
Max video memory	8 GB	no data
Quick Sync Video	-	+
Clear Video HD	no data	+
Graphics max frequency	600 MHz	1.65 GHz
Execution Units	12	32

Graphics interfaces

Available interfaces and connections of Atom x5-Z8550 and Core i9-14900KS integrated GPUs.

Number of displays supported

3

4

Graphics image quality

Maximum display resolutions supported by Atom x5-Z8550 and Core i9-14900KS integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	3840x2160	4096 x 2160 @ 60Hz
Max resolution over eDP	2560x1600	5120 x 3200 @ 120Hz
Max resolution over DisplayPort	no data	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Atom x5-Z8550 and Core i9-14900KS integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Atom x5-Z8550 and Core i9-14900KS.

PCIe version	2.0	5.0 and 4.0
PCI Express lanes	2	16
USB revision	3.0	no data
Number of USB ports	3	no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

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Pros & cons summary

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Performance score	0.72	39.28
Physical cores	4	24
Threads	4	32

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Should you still have questions on choice between Atom x5-Z8550 and Core i9-14900KS, ask them in Comments section, and we shall answer.

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